This (lack of) B-G distinction also occurs in many languages other than Japanese. https://en.m.wikipedia.org/wiki/Blue%E2%80%93green_distinction_in_language ht

This (lack of) B-G distinction also occurs in many languages other than Japanese. https://en.m.wikipedia.org/wiki/Blue%E2%80%93green_distinction_in_language https://en.m.wikipedia.org/wiki/Blue%E2%80%93green_distincti...